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# Copyright © 2020 Bitnami, AT&T, Amdocs, Bell Canada, highstreet technologies
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
apiVersion: apps/v1
kind: StatefulSet
{{ $role := "master" -}}
{{ $suffix := $role -}}
{{ $labels := (dict "role" $role "discovery" (include "elasticsearch.clustername" .)) -}}
metadata: {{- include "common.resourceMetadata" (dict "suffix" $suffix "labels" $labels "dot" . )| nindent 2 }}
spec:
updateStrategy:
type: {{ .Values.updateStrategy.type }}
{{- if (eq "OnDelete" .Values.updateStrategy.type) }}
rollingUpdate: null
{{- end }}
selector: {{- include "common.selectors" (dict "matchLabels" $labels "dot" .)| nindent 4 }}
serviceName: {{ include "common.fullname" . }}-master
replicas: {{ .Values.replicaCount }}
template:
metadata: {{- include "common.templateMetadata" (dict "labels" $labels "dot" .) | nindent 6 }}
spec:
{{- include "elasticsearch.imagePullSecrets" . | nindent 6 }}
{{- if .Values.affinity }}
affinity: {{- include "common.tplValue" (dict "value" .Values.affinity "context" $) | nindent 8 }}
{{- end }}
{{- if .Values.nodeSelector }}
nodeSelector: {{- include "common.tplValue" (dict "value" .Values.nodeSelector "context" $) | nindent 8 }}
{{- end }}
{{- if .Values.tolerations }}
tolerations: {{- include "common.tplValue" (dict "value" .Values.tolerations "context" $) | nindent 8 }}
{{- end }}
serviceAccountName: {{ template "elasticsearch.serviceAccountName" . }}
{{- if .Values.securityContext.enabled }}
securityContext:
fsGroup: {{ .Values.securityContext.fsGroup }}
{{- end }}
{{- if or .Values.sysctlImage.enabled (and .Values.volumePermissions.enabled .Values.persistence.enabled) }}
initContainers:
{{- if .Values.sysctlImage.enabled }}
## Image that performs the sysctl operation to modify Kernel settings (needed sometimes to avoid boot errors)
- name: sysctl
image: {{ .Values.global.busyboxRepository | default .Values.busyboxRepository }}/{{ .Values.global.busyboxImage | default .Values.busyboxImage }}
imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
command:
- /bin/sh
- -c
- |
set -o errexit
set -o pipefail
set -o nounset
sysctl -w vm.max_map_count=262144 && sysctl -w fs.file-max=65536
securityContext:
privileged: true
{{- end }}
{{- if and .Values.volumePermissions.enabled .Values.persistence.enabled }}
- name: volume-permissions
image: {{ .Values.global.busyboxRepository | default .Values.busyboxRepository }}/{{ .Values.global.busyboxImage | default .Values.busyboxImage }}
imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
command:
- /bin/sh
- -c
- |
chown -R {{ .Values.securityContext.runAsUser }}:{{ .Values.securityContext.fsGroup }} //bitnami/elasticsearch/data
securityContext:
runAsUser: 0
{{- if .Values.volumePermissions.resource }}
resources: {{- toYaml .Values.volumePermissions.resources | nindent 12 }}
{{- end }}
volumeMounts:
- name: data
mountPath: "/bitnami/elasticsearch/data"
{{- end }}
{{- end }}
containers:
- name: {{ include "common.name" . }}-master
image: {{ printf "%s/%s:%s" (include "common.repository" .) .Values.image.imageName .Values.image.tag }}
imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
{{- if .Values.securityContext.enabled }}
securityContext:
runAsUser: {{ .Values.securityContext.runAsUser }}
{{- end }}
env:
- name: BITNAMI_DEBUG
value: {{ ternary "true" "false" .Values.image.debug | quote }}
- name: ELASTICSEARCH_CLUSTER_NAME
value: {{ include "elasticsearch.clustername" . }}
- name: ELASTICSEARCH_CLUSTER_HOSTS
value: {{ include "common.name" . }}-discovery
- name: ELASTICSEARCH_CLUSTER_MASTER_HOSTS
{{- $elasticsearchMasterFullname := printf "%s-%s" (include "common.fullname" . ) "master" }}
{{- $replicas := int .Values.replicaCount }}
value: {{range $i, $e := until $replicas }}{{ $elasticsearchMasterFullname }}-{{ $e }} {{ end }}
- name: ELASTICSEARCH_MINIMUM_MASTER_NODES
value: {{ add (div .Values.replicaCount 2) 1 | quote }}
{{- if .Values.plugins }}
- name: ELASTICSEARCH_PLUGINS
value: {{ .Values.plugins | quote }}
{{- end }}
- name: ELASTICSEARCH_HEAP_SIZE
value: {{ .Values.heapSize | quote }}
- name: ELASTICSEARCH_IS_DEDICATED_NODE
value: {{ .Values.dedicatednode | quote }}
- name: ELASTICSEARCH_NODE_TYPE
value: "master"
ports: {{- include "common.containerPorts" . |indent 12 }}
{{- if .Values.livenessProbe.enabled }}
livenessProbe:
initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
successThreshold: {{ .Values.livenessProbe.successThreshold }}
failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
httpGet:
path: /_cluster/health?local=true
port: 9200
{{- end }}
{{- if .Values.readinessProbe.enabled }}
readinessProbe:
initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
successThreshold: {{ .Values.livenessProbe.successThreshold }}
failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
httpGet:
path: /_cluster/health?local=true
port: 9200
{{- end }}
{{- if .Values.resources }}
resources: {{- toYaml .Values.resources | nindent 12 }}
{{- end }}
volumeMounts:
{{- if .Values.config }}
- mountPath: /opt/bitnami/elasticsearch/config/elasticsearch.yml
name: config
subPath: elasticsearch.yml
{{- end }}
- name: data
mountPath: /bitnami/elasticsearch/data
{{- if .Values.extraVolumeMounts }}
{{- toYaml .Values.extraVolumeMounts | nindent 12 }}
{{- end }}
volumes:
{{- if .Values.config }}
- name: config
configMap:
name: {{ include "common.fullname" . }}
{{- end }}
{{- if .Values.extraVolumes }}
{{- toYaml .Values.extraVolumes | nindent 8 }}
{{- end }}
{{- if not .Values.persistence.enabled }}
- name: "data"
emptyDir: {}
{{- else }}
volumeClaimTemplates:
- metadata:
name: "data"
{{- if .Values.persistence.annotations }}
annotations: {{- toYaml .Values.persistence.annotations | nindent 10 }}
{{- end }}
spec:
accessModes:
- {{ .Values.persistence.accessMode }}
storageClassName: {{ include "common.storageClass" (dict "dot" . "suffix" .Values.persistence.suffix) }}
resources:
requests:
storage: {{ .Values.persistence.size | quote }}
{{- end }}
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